Senior .NET Developer
B3 Consulting PolandWarsaw, Masovian Voivodeship, Poland
Posted February 2, 2026
Full Time
About the Company
B3 Consulting's vision is to create a world of technology in which people come first.
Job Description
B3 Consulting is a fast-growing company in Poland that values energy, logic, and experience. They are looking for a Senior.NET Developer to build a large-scale, real-time platform for the Natue/Forestry industry.
Requirements
- Design, build, and operate backend microservices using.NET (C#, ASP.NET Core)
- Build and evolve client-facing APIs with strong focus on versioning, backward compatibility, and long-term maintainability
- Work with event-driven systems (Google Pub/Sub, Kafka)
- Improve platform stability, performance, and scalability
- Participate in production support and incident resolution
- Collaborate closely with platform, product, embedded, and mobile teams
- Take end-to-end ownership from design to production
Benefits
- Health and sports benefits tailored to your needs
- Free running and swimming training, internal triathlon team, joint competitions
- Tailor-made development activities to deepen expert knowledge
- Cyclical initiatives allowing development in IT fields other than the current one